There are all kinds of products on the market now. Each product has its own corresponding trademark. Due to the different characteristics of the product, these products require different packaging boxes. So there will be a variety of colorful packaging boxes of different colors. So what kind of process and steps are needed for these huge quantities. Such a large quantity definitely requires machines to complete in batches. , how to make the packaging color box? Now the editor will introduce to you the detailed production process of the packaging color box.
The processing and production process of packaging color boxes
Paper containers are cardboard containers used to package goods, such as cartons, cups, etc. To evaluate the quality of grade containers, we not only evaluate the quality of printing, but also evaluate the shape of the container and the simplicity of processing.
The manufacturing process of paper containers is: plate making, printing → surface processing → die cutting, creasing → box making.
1. Materials
Generally, they are made of cheap materials with good printing effect and suitable for the packaged goods. Yellow paper, kraft paper, cardboard, white paper, etc. are used as printing materials. , if the requirements are high, high-quality paper such as copperplate wire can be mounted on these materials. The printing ink should also be light-resistant, wear-resistant, oil-resistant, chemical-resistant, and non-toxic ink according to the packaged items.
2. Plate making and printing
Use letterpress, lithography, gravure, and flexographic printing. Nowadays, lithographic printing is mainly used. Letterpress printing can produce finished products with good printing effect, bright colors and good gloss. However, the plate making process is complicated and not as simple as lithographic printing. Powder is sprayed during the printing process to prevent the back from getting dirty.
3. Surface processing
Polyethylene coating, surface film pasting, wax coating, foil pressing, embossing and other processes can be carried out as needed, but not all products require surface processing.
4. Diecutting and creasing
(1) Die-cutting plate making
A better method for die-cutting plate making Die-cut plates are made from plywood. First transfer the grade box pattern to the plywood, use a wire saw to sew along the cutting and folding lines, and then embed the die-cutting and crease lines into the plywood to make a die-cut version, which is light, accurate in appearance and size, and can be saved. advantage.
It is also possible to use computer control to make laser die-cut plates. The size, shape and weight of the cardboard are input into the computer, and then the electronic computer controls the movement of the laser to carve out the entire carton on the plywood. The fold line of the tangent line is finally embedded in the knife line.
The process flow is: draw the box sample drawing→draw the imposition design drawing→copy the imposition design drawing→transfer the imposition design drawing to the plywood→drilling and sawing→embedded lines→making die-cutting plates Negative template.
(2) Die-cutting and creasing machine
Die-cutting and creasing machine (die-cutting machine) is generally a flat pressing type, which can automatically feed paper, automatically die-cut, and automatically take up paper. , the general speed is 1800-3600 sheets/hour. Foreign electronic control devices for die-cutting, the speed reaches 8500 sheets/
Die-cutting and creasing machines are generally used not only for die-cutting, but also for cold-pressing concave and convex, hot stamping flat concave and convex telephone aluminum, and hot pressing Bump.
5. Box making
Use a box making machine to fold it into a carton shape for use in the next process.
Corrugated cartons are generally printed with flexographic printing, and at the same time, they are pressed, glued or wired to form the shape of the box. They are usually folded and rotated flat, and then opened into a box shape during use.